A:将细胞与外界环境分隔开
B:控制细胞的代谢和遗传
C:控制物质进出细胞
D:进行细胞间的信息交流
12的倒数的相反数为( )
—The blouse is very nice. I'll take it.
—But you'd better ________ first. I think it is a little large for you.